CAS 299406-03-4 appears in our catalog under these names: 5,7-Diphenylpyrazolo[1,5-a]pyrimidine-2-carboxylic acid, 95%, 5,7-Diphenylpyrazolo(1,5-a)pyrimidine-2-carboxylic acid, 98%, 5,7-Diphenylpyrazolo[1,5-a]pyrimidine-2-carboxylic acid, 98%, 98%. Offered by: Combi-blocks, AmBeed, Chemat. Available pack sizes: 250mg, 1g, 100mg.